EDGE_KPI介绍(V2[1].0)

1©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组EDGEKPI介绍2007.02.052©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组Nokia推荐的EDGE的KPI•全网评估用的KPIs:(主要用于全网性的管理优化和比较评估)•约有18个KPIs,涵盖无线和Gb接口•优化分析用的KPIs:(主要用于日常观测,供规划和优化人员参考)•有52个KPIs,涵盖无线和GB接口•一些特殊的KPI没有包括进来:(比如休眠小区等功能和Feature检查)•适用于S10.5,S10.5EDandS11(并且随着升级会增加更多的公式)3©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组52个KPIs涵盖的范围BTSBSCRadio接口Gb接口Abis接口Radio:•CCCHCongestion:3•PDTCHcongestion:9•PDTCHquality:13•Mobility:2Abis:•EDAPcongestion:4•TRXSIG:Alarm/LoadPCU:•Congestion:1Gb:•Congestion:2Networkusage:•Payload:4•PSErlangs:5•Users:2•TBFproperties:6•Handsets:1SGSNBSS部分KPISGSN部分KPI4©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组PlanningKPIs,NetworkUsageDownlinkGPRSRLCpayloadtrf_213bUplinkGPRSRLCpayloadtrf_212bDownlinkEGPRSRLCpayloadtrf_215aUplinkEGPRSRLCpayloadtrf_214aPSErlangstrf_237DownlinkGPRSErlangstrf_208UplinkGPRSErlangstrf_205DownlinkEGPRSErlangstrf_162cUplinkEGPRSErlangstrf_161dNumberofuplinksimultaneoususerstrf_231Numberofdownlinksimultaneoususerstrf_232NumberofuplinkGPRSTBFstbf_41NumberofuplinkEGPRSTBFsc72088NumberofdownlinkGPRSTBFstbf_42NumberofdownlinkEGPRSTBFsc72089AverageuplinkTBFdurationtbf_5aAveragedownlinkTBFdurationtbf_6aRequestedtimeslotsfordownlinkTBFsc72039-c72042NetworkUsage5©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组Downlink/UPlinkEGPRSRLCpayload(trf_215a,214a)•单位为kbyte;•表p_nbsc_coding_scheme:以BTS和编码方式为级别来归类统计;sumoverMCS-1(xx)*22+sumoverMCS-2(xx)*28+sumoverMCS-3(xx)*37+sumoverMCS-4(xx)*44+sumoverMCS-5(xx)*56+sumoverMCS-6(xx)*74+sumoverMCS-7(xx/2)*112+sumoverMCS-8(xx/2)*136+sumoverMCS-9(xx/2)*148------------------------------1024wherexx=(dl_rlc_blocks_in_ack_mode+dl_rlc_blocks_in_unack_mode)sumoverMCS-1(xx)*22+sumoverMCS-2(xx)*28+sumoverMCS-3(xx)*37+sumoverMCS-4(xx)*44+sumoverMCS-5(xx)*56+sumoverMCS-6(xx)*74+sumoverMCS-7(xx/2)*112+sumoverMCS-8(xx/2)*136+sumoverMCS-9(xx/2)*148------------------------------1024wherexx=(ul_rlc_blocks_in_ack_mode+ul_rlc_blocks_in_unack_mode)INT_IDPERIOD_START_TIMEPERIOD_DURATIONBTS_IDCODING_SCHEMEDL_RLC_BLOCKS_IN_ACK_MODE472007-1-2310:00:006014400472007-1-2310:00:0060144123472007-1-2310:00:0060144315472007-1-2310:00:006014456472007-1-2310:00:00601446389472007-1-2310:00:00601447616472007-1-2310:00:006014484472007-1-2310:00:0060144975542007-1-2310:00:006014400542007-1-2310:00:006014431542007-1-2310:00:0060144636可以参考周报中的EGPRS的流量统计图6©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组Downlink/UplinkEGPRSErlangs(trf_162c,161d)•单位为爱尔兰,用来描述多少无线资源被用作EDGE.•用GPRS和EDGE的RLC块的比率,来估计EDGE用到的控制块;sumovermsc1…6of(dl_rlc_blocks_in_ack_mode+dl_rlc_blocks_in_unack_mode+retrans_rlc_data_blocks_dl)+sumovermsc7…9of(dl_rlc_blocks_in_ack_mode+dl_rlc_blocks_in_unack_mode+retrans_rlc_data_blocks_dl)/2+“rlc_mac_cntrl_blocks_dl_egprs”-----------------------------------------------------------period_duration*60*50where“rlc_mac_cntrl_blocks_dl_egprs”=trf_207rlc_mac_cntrl_blocks_dl*-------------------trf_206+trf_207andwheretrf_206=rlc_data_blocks_dl_cs1+rlc_data_blocks_dl_cs2trf_207=sumovermsc1…9of(dl_rlc_blocks_in_ack_mode+dl_rlc_blocks_in_unack_mode)---sumoverMSC1…6of(ul_rlc_blocks_in_ack_mode+bad_rlc_valid_hdr_ul_unack+bad_rlc_bad_hdr_ul_ack+bad_rlc_bad_hdr_ul_unack)+sumoverMSC7…9of(ul_rlc_blocks_in_ack_mode+ul_rlc_blocks_in_unack_mode+bad_rlc_valid_hdr_ul_ack+bad_rlc_valid_hdr_ul_unack+bad_rlc_bad_hdr_ul_ack+bad_rlc_bad_hdr_ul_unack)/2+“ignor_rlc_data_bl_ul_due_bsn_egprs”+“rlc_mac_cntrl_blocks_ul_egprs”---------------------------------------------------period_duration*60*50where“ignor_rlc_data_bl_ul_due_bsn_egprs”=trf_204-------------------trf_203+trf_204“rlc_mac_cntrl_blocks_ul_egprs”=trf_204rlc_mac_cntrl_blocks_ul*-------------------trf_203+trf_204andwheretrf_203=rlc_data_blocks_ul_cs1+rlc_data_blocks_ul_cs2trf_204=sumovermsc1…9of(ul_rlc_blocks_in_ack_mode+ul_rlc_blocks_in_unack_mode)PSErlangs(trf_237)PSErlang=Max(GPRSUL+EDGEUL,GPRSDL+EDGEDL)7©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组NumberofsimultaneoususersAver_tbfs_per_tsl_ul_sum,Aver_tbfs_per_tsl_ul_den,Aver_tbfs_per_tsl_dl_sum,Aver_tbfs_per_tsl_dl_den:触发原理:01234567CSTerritoryGPRSTerritoryTBFTS123456789TS123456789CSTerritoryGPRSTerritoryAVER_TBFS_PER_TSL_DL_SUM=100*(2+4+3)/3=100*9/3=100*3=300AVER_TBFS_PER_TSL_xx_DEN=0+1AVER_TBFS_PER_TSL_DL_SUM=300+100*(1+2+2)/3=467AVER_TBFS_PER_TSL_xx_DEN=1+1=2……8©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组NumberofsimultaneoususersUplink(trf_231):Downlink(trf_232):对小批量用户的网络,因为在一个小时内平均,值比较小;ave_dur_UL_TBF_sum--------------------------------100*period_duration*60ave_dur_DL_TBF_sum--------------------------------100*period_duration*60Uplink(tbf_37c):Downlink(tbf_38c):即使在批量用户的网络,因为只在有TBF时统计,值反映了真实的拥挤程度;平均值不高,峰值最大1.0多.全网没有很大的数据拥挤情况.9©NOKIAGPRS/EDGEPerformanceIndicators/Feb2007/EGPRS优化组TBFproperties•其它可以作为优化参考的TBF的counter:•NbrofULGPRSTBFs(tbf_41)nbr_of_ul_tbf–egprs_tbf_ul•NbrofULEGPRSTBFs(c72088)egprs_tbf_ul•NbrofDLGPRSTBFs(tbf_42)nbr_of_dl_tbf–egprs_tbf_dl•NbrofDLEGPRSTBFs(c72089)egprs_tbf_dl•AverageULTBFdurat